No. 90-4483. February 27, 1992. John D. Burgoyne, Aileen A. Armstrong, Deputy Assoc. Gen. Counsel, N.L.R.B., Washington, D.C., Margaret Bezou, Linda Dreehen, for petitioner. David M. Thomas, Neil Martin, Fulbright Jaworski, Houston, Tex., for respondent. Michael Dunn, Director, Region 23, Ft. Worth, Tex., for other interested parties. Ted B. Kuhn, Buttvill Kuhn, Houston, Tex., for Local 116. Petition for Review of an Order of The National Labor Relations Board. Before POLITZ, Chief Judge, JOHNSON